President Trump’s September 2026 schedule centers on several confirmed events that shape expectations for bilateral and multilateral engagements. The White House has announced a September 12–13 trip to Ireland for a meeting with Taoiseach Micheál Martin, a sod-turning ceremony for the new U.S. Embassy in Dublin, and events tied to the Irish Open at his Doonbeg resort. Additional stops include the Republican National Convention in Dallas on September 9–10, a Pentagon ceremony on September 11 marking the 25th anniversary of the 9/11 attacks, and remarks at the UN General Assembly on September 22. These fixed commitments, along with typical UNGA side meetings involving foreign leaders, provide the clearest near-term indicators for market participants assessing likely counterparts. No major schedule changes have been reported in recent days.